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252440832 = 283746957
BaseRepresentation
bin11110000101111…
…11000100000000
3122121000022201110
433002333010000
51004111101312
641014403320
76153466050
oct1702770400
9577008643
10252440832
1111a550596
1270660540
13403b8697
1425753560
151726743c
hexf0bf100

252440832 has 72 divisors (see below), whose sum is σ = 767857216. Its totient is φ = 72124416.

The previous prime is 252440809. The next prime is 252440857. The reversal of 252440832 is 238044252.

252440832 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252440832.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18103 + ... + 28854.

Almost surely, 2252440832 is an apocalyptic number.

It is an amenable number.

252440832 is an abundant number, since it is smaller than the sum of its proper divisors (515416384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252440832 is an equidigital number, since it uses as much as digits as its factorization.

252440832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46983 (or 46969 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 252440832 is about 15888.3867022426. The cubic root of 252440832 is about 632.0040591525.

The spelling of 252440832 in words is "two hundred fifty-two million, four hundred forty thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 672 768 896 1344 1792 2688 5376 46957 93914 140871 187828 281742 328699 375656 563484 657398 751312 986097 1126968 1314796 1502624 1972194 2253936 2629592 3005248 3944388 4507872 5259184 6010496 7888776 9015744 10518368 12020992 15777552 18031488 21036736 31555104 36062976 42073472 63110208 84146944 126220416 252440832